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H(2)O(2) can be obtained when following ...

`H_(2)O_(2)` can be obtained when following reacts with `H_(2)SO_(4)` excepts with

A

`PbO_(2)`

B

`BaO_(2)`

C

`Na_(2)O_(2)`

D

`KO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
`PbO_(2)rarr"Lead oxide"`
Peroxides & superoxides produces `H_(2)O_(2)` with `H_(2)SO_(4)`
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Which of the following react with dil. H_(2)SO_(4) .?

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Knowledge Check

  • Which of the following react with dil H_(2)SO_(4) ?

    A
    `CaCO_(3)`
    B
    `KNO_(2)`
    C
    `Na_(2)S`
    D
    `BaCI_(2)`

  • Which one of the following reacts with conc. H_(2)SO_(4) ?

    A
    Au
    B
    Ag
    C
    Pt
    D
    Pb

  • H_(2)O_(2) is obtained by which of the following

    A
    `BaO_(2)`
    B
    `MnO_(2)`
    C
    `SeO_(2)`
    D
    `TeO_(2)`

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    Consider two chemical reactions. HCOOH_((l))+H_(2)SO_(4(l)) to CO_((g)) +H_(2)SO_(4). H_(2)O_((hq)) H_(2)C_(2)O_(4(l)) +H_(2)SO_(4(l))to CO_((g)) +CO_(2(g))+H_(2)SO_(4).H_(2)O_((hq)) Different mixtures HCOOH & H_(2)C_(2)O_(4) are taken & reacted with H_(2)SO_(4(l)) & gases produced are passed through KOH. select the option (s) in which correct combination of composition of mixture & percentage volume contraction on passing through KOH is mentioned.

    A colourless salt X has 50% Na_(2)SO_(3) and 50% H_(2)O . How much of SO_(2) at NTP is obtained when 2.52 g of X reacts with excess of dil . H_(2)SO_(4) ?

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